Quarterly report pursuant to Section 13 or 15(d)

Acquisitions (Details)

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Acquisitions (Details) (USD $)
3 Months Ended 9 Months Ended
Jun. 26, 2011
Jun. 26, 2011
Jun. 27, 2010
Acquisition [Abstract]      
Business Acquisition, Effective Date of Acquisition   2011-05-24  
Payments to Acquire Businesses, Net of Cash Acquired $ 3,100,000,000    
Cash Acquired from Acquisition   233,000,000  
Business Acquisition, Cost of Acquired Entity, Equity Interests Issued and Issuable 106,000,000 106,000,000  
Business Acquisition, Purchase Price Allocation [Abstract]      
In-process research and development estimated completion period   3  
Business Acquisition, Cost of Acquired Entity, Transaction Costs 23,000,000 23,000,000  
Business Acquisition, Pro Forma Information [Abstract]      
Revenues   11,467,000,000 8,868,000,000
Net income   3,168,000,000 2,089,000,000
Atheros Communications, Inc. [Member]
     
Business Acquisition, Purchase Price Allocation [Abstract]      
Current assets 925,000,000 925,000,000  
In-process research and development (IPR&D) 150,000,000 150,000,000  
Goodwill 1,779,000,000 1,779,000,000  
Other assets 75,000,000 75,000,000  
Total assets 3,785,000,000 3,785,000,000  
Liabilities (316,000,000) (316,000,000)  
Total 3,469,000,000 3,469,000,000  
Number of In-process research and development projects   26  
In-process research and development estimated costs to complete projects   36,000,000  
Low range of In-process research and development useful life (in years)   2  
High range of In-process research and development useful life (in years)   6  
Technology-based [Member]
     
Business Acquisition, Purchase Price Allocation [Abstract]      
Amortizable intangible assets 692,000,000 692,000,000  
Weighted-average useful life of intangible assets acquired (in years)   4  
Marketing-related [Member]
     
Business Acquisition, Purchase Price Allocation [Abstract]      
Amortizable intangible assets 50,000,000 50,000,000  
Weighted-average useful life of intangible assets acquired (in years)   6  
Customer-related [Member]
     
Business Acquisition, Purchase Price Allocation [Abstract]      
Amortizable intangible assets $ 114,000,000 $ 114,000,000  
Weighted-average useful life of intangible assets acquired (in years)   3